1. how many times larger is 1x10^8x5x10^6?
2. how many times larger is 4x10^10x4x10^7?
3. how many times larger is 3x10^7x5x10^4?

If you eat 4 medium strawberries, you get 48% of your daily recommenced amount of vitamin c. what fraction of your daily amount of vitamin c do you still need?

You went to a restaurant and spent $53.25 on the meal. there was a 6% sales tax. what was the amount of money, not including a tip, you spent at the restaurant?

Which expression is equivalent to 64 - 9x^2?